Here is the full list of all 27 Tabletop Simulator achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Flip the table over 1000 times.
Create an 8 player “light show” with the line drawing tool.
Upload at least 3 legitimate Steam Workshop items.
Play Tabletop Simulator for over 10 hours.
Change your color more than 50 times.
Play a game with a full room of 8 players.
Complete the tutorial in under 30 seconds.
Play a civilized game of Chess for 1 hour.
Save 100 items to your Chest.
Flip the table in an absolute fit of rage… 100 times.
Tint 1000 objects a different color.
Have two RPG figurines attack one another. They must hit!
Lock 5000 items over time.
Spawn 10,000 poker chips!
Use your personal color page in the notebook.
Play a game in zero gravity.
You spawned the developers’ special figurines!
You tried to flip the table… and failed!
Complete the in-game tutorial.
Play the game for 1 hour without flipping the table.
Play a game with someone on your friend's list
You posted a message in global chat, hurray!
Play Tabletop Simulator for over 50 hours.
Play Tabletop Simulator for over 100 hours.
Play Tabletop Simulator for over 200 hours.
Play Tabletop Simulator for over 500 hours.
Play Tabletop Simulator for over 1000 hours.